Home / 72,871,394,010.70-109,307,091,016.05-43,460,646,004.30

Finding the Fourth Proportional to 72,871,394,010.70, 109,307,091,016.05 and 43,460,646,004.30

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Solution

The fourth proportional to 72,871,394,010.70, 109,307,091,016.05 and 43,460,646,004.30 is: 65,190,969,006.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,871,394,010.70 : 109,307,091,016.05 = 43,460,646,004.30 : x
  2. Step 2: Convert to fraction form
    72,871,394,010.70/109,307,091,016.05 = 43,460,646,004.30/x
  3. Step 3: Cross multiply
    72,871,394,010.70x = 109,307,091,016.05 × 43,460,646,004.30
  4. Step 4: Simplify right side
    72,871,394,010.70x = 4,750,556,788,408,350,408,704
  5. Step 5: Solve for x
    x = 4,750,556,788,408,350,408,704/72,871,394,010.70
  6. Step 6: Final answer
    x = 65,190,969,006.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.